D defs.my
Entry 1 sense Webster, 1913

Champlain period

/shăm-plān' pĭr'-ē-əd/ · Cham·plain· pe·ri·od · IPA
01 A subdivision of the Quaternary age immediately following the Glacial period; -- so named from beds near Lake Champlain.
  1. 1.
    A subdivision of the Quaternary age immediately following the Glacial period; -- so named from beds near Lake Champlain.(Geol.)